Liquid crystal display device, manufacturing method therefor, and electronic apparatus

Abstract

A liquid crystal display device comprises a pair of substrates ( 11, 12 ) bonded to each other by a sealing material ( 13 ) in the form of a frame provided therebetween, liquid crystal ( 14 ) held between the pair of substrates; a reflective layer ( 111 ) formed on one ( 11 ) of the substrates, and an alignment film ( 116 ) formed over the reflective layer ( 111 ) at the liquid crystal side. The surface of said one ( 11 ) of the substrates has a roughened area ( 11 b ) which is roughened and a flat area ( 11 a ) which is flat and surrounds the roughened area ( 11 b ). The alignment film ( 116 ) is formed in the roughened area ( 11 b ), and the sealing material ( 13 ) is formed in the flat area ( 11 a ).

1. A liquid crystal display device comprising:
 a pair of glass substrates bonded to each other by a sealing material in the form of a frame provided therebetween;  
 liquid crystal held between the pair of glass substrates;  
 a reflective layer formed on one of the glass substrates at the liquid crystal side; and  
 an alignment film formed over the reflective layer at the liquid crystal side;  
 wherein a glass surface of said one of the glass substrates has a roughened area, the roughened area being recessed relative to a planar area of the surface;  
 the alignment film is formed over the recessed roughened area; and  
 the sealing material is formed over the planar area.  
 
   
   
     2. The liquid crystal display device according to  claim 1 , wherein a boundary of the roughened area and the planar area is located between an inside periphery of the sealing material and a periphery of the alignment film. 
   
   
     3. The liquid crystal display device according to  claim 1 , wherein the reflective layer has a plurality of apertures therein. 
   
   
     4. The liquid crystal display device according to  claim 1 , further comprising a color filter layer and a protective layer protecting the color filter, which are provided between the reflective layer and the alignment film and in the roughened area of said one of the glass substrates. 
   
   
     5. An electronic apparatus comprising a liquid crystal display device according to  claim 1 . 
   
   
     6. A liquid crystal display device comprising:
 a front glass substrate and a backside glass substrate bonded together by a sealing material;  
 a liquid crystal disposed between said front and backside glass substrates;  
 a first alignment film formed on a liquid crystal side of said front glass substrate;  
 a second alignment film formed on a liquid crystal side of said glass backside substrate;  
 a glass surface of said backside substrate is composed of a peripheral flat area that surrounds a roughened area, the roughened area being recessed relative to the peripheral flat area of the surface and containing a plurality of protrusions and recesses;  
 wherein said second alignment film is disposed within said roughened area that contains said plurality of protrusions and recesses and said sealing material is formed on said flat area; and  
 a plurality of spacers dispersed between said first and second alignment films.  
 
   
   
     7. A liquid crystal display device according to  claim 6 , wherein a reflective layer, an insulating layer and a color filter layer are disposed on said backside glass substrate on said roughened area that contains said plurality of protrusions and recesses. 
   
   
     8. A liquid crystal display according to  claim 7 , wherein said reflective layer contains a plurality of apertures therein. 
   
   
     9. A liquid crystal display device according to  claim 6 , wherein a transflective layer, an insulating layer and a color filter layer are disposed on said backside glass substrate on said roughened area than contains said plurality of protrusions and recesses. 
   
   
     10. A liquid crystal display according to  claim 9 , wherein said transflective layer contains a plurality of apertures therein. 
   
   
     11. A liquid crystal display device according to  claim 6 , further comprising a light source. 
   
   
     12. A liquid crystal device comprising:
 a liquid crystal disposed between a front glass substrate and a backside glass substrate;  
 a polarizer, a retardation plate, a plurality of pixel electrodes, a plurality of scanning lines, and a first alignment film disposed on said front glass substrate;  
 said backside glass substrate having a surface including peripheral planar area and a roughened area, the roughened area containing a plurality of protrusions and recesses, and the roughened area being recessed relative to the planar area of the surface;  
 a reflective layer, an insulating layer, a color filter layer, a protective layer, a plurality of transparent electrodes, and a second alignment film disposed on said roughened area containing a plurality of protrusions and recesses;  
 a sealing material disposed on said planar area of backside glass substrate; and  
 a plurality of spacers disposed between said first and second alignment films.  
 
   
   
     13. A liquid crystal device comprising:
 a glass substrate having a glass surface including a roughened portion inboard of a flat peripheral portion, the roughened portion being recessed relative to the flat peripheral portion;  
 a reflective layer formed on said roughened portion for reflecting incident light; and  
 a sealing material disposed on said flat peripheral portion around said roughened portion.  
 
   
   
     14. A liquid crystal device comprising:
 a pair of glass substrates opposing each other, one of said glass substrates having a roughened portion that is recessed relative to a planar surface of said glass substrate; and  
 an alignment film disposed on said roughened portion spaced apart from the edges of said roughened portion.  
 
   
   
     15. A liquid crystal device according to  claim 14  further comprising a reflecting layer disposed between said glass substrate having said roughened portion and said alignment film for reflecting incident light. 
   
   
     16. A liquid crystal device according to  claim 14 , wherein said planar surface is outboard of said edges of said roughened portion.